Finding the Fourth Proportional to 490,611.13, 736,202.22 and 206,281.08
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Solution
The fourth proportional to 490,611.13, 736,202.22 and 206,281.08 is: 309,541.67
Step by Step Solution
- Step 1: Write the proportion equation
490,611.13 : 736,202.22 = 206,281.08 : x - Step 2: Convert to fraction form
490,611.13/736,202.22 = 206,281.08/x - Step 3: Cross multiply
490,611.13x = 736,202.22 × 206,281.08 - Step 4: Simplify right side
490,611.13x = 151,864,588,266.44 - Step 5: Solve for x
x = 151,864,588,266.44/490,611.13 - Step 6: Final answer
x = 309,541.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.